B&B Electronics ZP9D-115RM-LR Especificaciones descargar pdf (Pagina 42)

42 Manual Documentation Number: ZP9D-115RM-LR-0812

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com

B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com

Changes to the PK parameter may have a secondary effect on the RB (Packetization

Threshold) parameter. RB must always be less than or equal to PK. If PK is changed

to a value that is less than the current value of RB, the RB value is automatically

lowered to be equal to PK.

* When BR = 0 (9600 baud), the maximum PK value is 0x100 (256d). When BR = 1

(115,200 baud), the maximum PK value is 0x800 (2048d).

PL (TX Power Level)

Command

<RF Interfacing> The PL

command is used to set/

read the power level at which the

RF module transmits data

PW (Pin Wake-up) Command

<Sleep (Low Power)> Under

normal operation, an RF module

in Cyclic Sleep Mode cycles from

an active state to a low-power

state at regular intervals until

data is ready to be received. If

the PW parameter is set to 1, the

SLEEP pin (pin 8) can be used

to awaken the module from

Cyclic Sleep. When the SLEEP

Pin is de-asserted (low), the

module will be fully operational

and will not go into Cyclic Sleep.

Once the SLEEP pin is asserted,

the module will remain active for

the period of time specified by the ST (Time before Sleep) parameter and will return

to Cyclic Sleep Mode (if no data is ready to be transmitted). PW Command is only

valid if Cyclic Sleep has been enabled.

AT Command: ATPL

Binary Command: 0x3A (58 decimal)

Parameter

Range:

0 - 4

Parameter

Configuration

1 mW

10 mW

100 mW

500 mW

1000 mW (1 Watt)

Default Parameter Value: 4

Number of bytes returned: 1

Command:

ATPW

Binary Command: 0x1D (29 decimal)

Parameter

Range:

0 - 1

Parameter

Configuration

Disabled

Enabled

Default Parameter Value:

Number of bytes returned: 1

Related Commands: SM (Sleep Mode), ST

(Time before Sleep)

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